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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
05460400 Shell Rock River near Rockford, IA
LOCATION - Lat 43°00'19.4", long 92°55'32.1" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NW 1/4 sec.36, T.95 N., R.18 W., Floyd County, IA, Hydrologic Unit 07080202, on right downstream side of bridge on Foothill Avenue, 3.0 mi south of Rockford, 0.8 mi downstream from Beaver Creek, 0.5 mi upstream from Drainage Ditch 20, and 50.3 mi upstream from mouth.
DRAINAGE AREA - 1,251 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from April 2010 to June 2016, October 2016 to October 2017.
GAGE - Water-stage recorder. Datum of gage is 960.23 ft above North American Vertical Datum of 1988.
REMARKS - Records for water year 2014-2017 rated good except for estimated daily discharges, which are poor. For records status prior to October 1, 2013, see remarks printed in annual water-data reports. Occasional minor regulation caused by dam 3.8 mi upstream. For climatological records collected at this site, see Raingage at Shell Rock River near Rockford, IA (station 430019092553201).
